[  638.323077][T10001] netdevsim netdevsim313 eni313np1: renamed from eth0
[  638.335716][T10004] netdevsim netdevsim584 eni584np1: renamed from eth1
[  638.944992][ T9990] Could not find device with ifindex 2000 in netnsfd 11
[  638.945901][ T9990] Could not find netns with fd: 2000
[  638.946269][ T9990] Cannot link a netdevsim to itself
[  638.946748][ T9990] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).